When a solid melts, its temperature remains the same, so where does the heat energy go?

it turns into gaseous water vapor

Explanation:

the heat energy provided is used up in changing the state of water from liquid to gaseous water vapour.

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answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."